remcos | 5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b

Analysis

max time kernel
300s
max time network
303s
platform
windows10_x64
resource
win10-20220414-en
resource tags

arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
submitted
03-08-2022 03:32

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General

Target

5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe
Size

480KB
MD5

4841f41452ae6adfbfdcaa30e253261f
SHA1

5a51f6bddb0e890a710fe8c13017e8902e7123fd
SHA256

5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b
SHA512

220bca133859810728fc6d2df5ad8f789e4e1138ca76d51c809474ca721259863cbb9b81435fd9e9379a61f615816607eaa9414349625762a02ce60271444e1d

Score

10^/10

remcos 06192022 persistence rat

Malware Config

Extracted

Family

remcos

Botnet

06192022

nikahuve.ac.ug:6968

kalskala.ac.ug:6968

tuekisaa.ac.ug:6968

parthaha.ac.ug:6968

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
scxs.dat
keylog_flag
false
keylog_folder
forbas
keylog_path
%AppData%
mouse_option
false
mutex
cvxyttydfsgbghfgfhtd-RXTSAM
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1804997378-2045782378-3882459628-1000\Software\Microsoft\Windows\CurrentVersion\Run\Yjlgdlfzs = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dgzivqk\\Yjlgdlfzs.exe\""	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe

description	pid	process	target process
PID 2284 set thread context of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe

pid	process
2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe
2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe
2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe
2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe
2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe
2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe

description pid process

Token: SeDebugPrivilege 2284 5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

4348 InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe

pid	process
4348	InstallUtil.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe

description	pid	process	target process
PID 2284 wrote to memory of 4320	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4320	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4320	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe
PID 2284 wrote to memory of 4348	2284	5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe
"C:\Users\Admin\AppData\Local\Temp\5d97621e71741cf4e2b90ebd16281ddb2c1fe806b3c4e6be5aef738cdf79089b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:4320

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:4348

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2284-118-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-119-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-120-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-121-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-122-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-123-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-124-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-125-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-126-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-127-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-128-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-129-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-130-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-131-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-132-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-133-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-134-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-135-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-136-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-137-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-138-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-139-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-140-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-141-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-142-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-143-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-144-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-145-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-146-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-147-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-148-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-149-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-150-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-151-0x0000000000910000-0x000000000098E000-memory.dmp

Filesize
504KB

Download
memory/2284-152-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-153-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-154-0x0000000005720000-0x0000000005C1E000-memory.dmp

Filesize
5.0MB

Download
memory/2284-155-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-156-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/2284-157-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-158-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-159-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-160-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-161-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-162-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-164-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-163-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-165-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-166-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-167-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-168-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-169-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-170-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-171-0x0000000005300000-0x000000000530A000-memory.dmp

Filesize
40KB

Download
memory/2284-172-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-173-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-174-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-175-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-176-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-177-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-178-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-179-0x00000000074B0000-0x000000000753A000-memory.dmp

Filesize
552KB

Download
memory/2284-180-0x00000000075B0000-0x00000000075FC000-memory.dmp

Filesize
304KB

Download
memory/2284-181-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-182-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/2284-185-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/4348-183-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4348-184-0x000000000043133D-mapping.dmp

Download
memory/4348-186-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/4348-187-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/4348-188-0x00000000774E0000-0x000000007766E000-memory.dmp

Filesize
1.6MB

Download
memory/4348-232-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4348-233-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download